--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-06T00:00:00Z' end-period: '2018-07-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4525980991 dns-udp-queries-received-ipv6: 653690719 dns-tcp-queries-received-ipv4: 189678425 dns-tcp-queries-received-ipv6: 17477492 dns-udp-responses-sent-ipv4: 4526745648 dns-udp-responses-sent-ipv6: 652873756 dns-tcp-responses-sent-ipv4: 189648355 dns-tcp-responses-sent-ipv6: 17474760